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Old 07-08-2005, 09:58 PM   #7861
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Originally Posted by JAG Racing
I have a JP clutchbell coming in the mail also!! BTW, I talked with Mike Swauger (Team Mugen driver) and he tells me that while it works great, it also requires more maintanence. He has to "clean-up" the contact surface after each race day as the clutch shoe puts a glaze on the clutchbell. But hey, since I have my easy access clutchbell mod now, that's not a problem.
Yeah I expected that. Since it is aluminium it will wear quite quickly and glaze up.
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Old 07-09-2005, 12:49 AM   #7862
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Front tower mod and battery installation. Sorry about poor quality.
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HPI R40 Nitro Car Forum-image011.jpg   HPI R40 Nitro Car Forum-image012.jpg  
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Old 07-09-2005, 12:58 AM   #7863
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Hello, I have a few questions.

The HPI setup sheets indicate that the front stabilizer bar can be adjusted from 90 - 0 degrees. How is that done, am I supposed to spin it in the mount?

I see that I can flip the front lower suspension mount to raise the front lower hinge pins. I can also install a different rear lower suspension mount to raise the rear lower hinge pins. What is the purpose of that?

Is the rear caster adjustable? If it is then how is that done? Are the spacers on the rear-lower hinge pin for caster or for wheelbase?

Thanks for any help. I was suprised to see that the HPI manuals do not cover suspension adjustments.
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Old 07-09-2005, 01:37 AM   #7864
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Quote:
Originally Posted by rossb
Hello, I have a few questions.

The HPI setup sheets indicate that the front stabilizer bar can be adjusted from 90 - 0 degrees. How is that done, am I supposed to spin it in the mount?

I see that I can flip the front lower suspension mount to raise the front lower hinge pins. I can also install a different rear lower suspension mount to raise the rear lower hinge pins. What is the purpose of that?

Is the rear caster adjustable? If it is then how is that done? Are the spacers on the rear-lower hinge pin for caster or for wheelbase?

Thanks for any help. I was suprised to see that the HPI manuals do not cover suspension adjustments.
1. Yes you rotate the bar itself.
2. Raising the hingepin raises the rollcentre at that end of the car.
3. Rear never uses caster. The rear spacers are wheelbase spacers.
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Old 07-09-2005, 09:15 AM   #7865
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Quote:
Originally Posted by rossb
?

Thanks for any help. I was suprised to see that the HPI manuals do not cover suspension adjustments.
Check http://www.hpiracing.com and look under F.A.Q. link. They have info on set-up there.

I agree - they should provide it with the kit.
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Old 07-09-2005, 10:28 AM   #7866
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read it...learn it...live it......

http://www2.towerhobbies.com/cgi-bin...p?&I=LXEGG9&P=

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Old 07-09-2005, 12:21 PM   #7867
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I've read that HPI FAQ-tuning link in the past when I was setting up my RS4. It does not cover a lot of the R40 specific stuff so I was left guessing.

In which position is the front bar considered to be at 90 degrees and 0 degrees? Is the stock position recommended in the manual zero degrees? I am guessing that rotating it changes the stiffness and 90 is stiffer than zero?

With respect to my rear caster question that HPI tuning page says "Caster and Rear Anti-Squat are the same thing, just on different ends of the car. They work in much the same fashion but most cars have a fixed Rear Anti-Squat setting so we'll focus on Caster."

So I guess the R40 does not have a Rear Ant-Squat setting?

That HPI page says that changing the upper camber link position changes the roll center. AMGRacer - are you saying that raising the lower hingepin does the same thing?

Thanks.
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Old 07-09-2005, 12:47 PM   #7868
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rossb


The front sway-bar level with the chassis is consider 0 degrees and vertical to the chassis is 90 degrees, I usually run mine at 45 degrees.... I can help ya with that one...


The other question I am still guessing at too......
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Old 07-09-2005, 01:02 PM   #7869
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Quote:
Originally Posted by fastharry
read it...learn it...live it......

http://www2.towerhobbies.com/cgi-bin...p?&I=LXEGG9&P=

Hmm is this the video version?
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Old 07-09-2005, 01:27 PM   #7870
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nope..its the book...

how many of you guys are gonna make it to the HPI Delaware challenge?....
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Old 07-09-2005, 01:54 PM   #7871
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I'm hoping to go still trying to get everything done so I can make it.
Meet you last year at the challenge harry.
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Old 07-09-2005, 02:14 PM   #7872
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I hope you can make it.......

HEY,AMG....where'd you pick up that HARA one piece mount.,.and do you have a part #?...
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Old 07-09-2005, 06:29 PM   #7873
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R40 LV - I am guessing that I should rotate both sides of the front bar? Does running it at 90 degrees make the bar stiffer?

Harry - I will be running two classes at the HPI Challenge in Delaware (Savage and Nitro Modified). I was at the NY Challenge last year running a Savage and I remember when you won Nitro Stock. The crowd and the Baffers seemed to like you.
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Old 07-09-2005, 08:11 PM   #7874
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Quote:
Originally Posted by rossb
R40 LV - I am guessing that I should rotate both sides of the front bar? Does running it at 90 degrees make the bar stiffer?

Yes - both sides should be the same. Yes 90 deg makes it stiffer. You got it!
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Old 07-09-2005, 10:28 PM   #7875
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WooHoo! I finally get to go race tomorow. Got both R40's running good. Just gotta throw them on the setup station and make sure nothings tweaked and I'm ready for tomorow morning.
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